function setColumnsNoSort(grid){
	  		var $grid=$(grid);
	  	 	var cm = $grid.jqGrid("getGridParam", "colModel");
	  	 	if(cm==null){
	  	 		return;
			}
	  	 	for(var i=0;i<cm.length;i++)
	  			$grid.jqGrid('setColProp',cm[i].name  , {sortable:false});
	  	}


function setColumnsAlign(grid,beginIndex,align){
		var $grid=$(grid);
	 	var cm = $grid.jqGrid("getGridParam", "colModel");
	 	if(cm==null){
	 		return;
	 	}
	 	for(var i=0;i<cm.length;i++)
	 	{
	 		if (i>=beginIndex)
			 $grid.jqGrid('setColProp',cm[i].name  , {align:align});
	 	}
	}